General Description: This practical and durable AC220V/380V push button switch is designed for easy use without a contactor. Made from flame-retardant PC material, it features a waterproof button with a protective plastic casing, making it resistant to water and and oil. It is widely used in various mechanical equipment, textile machinery, distribution boxes, ships, and operating rooms. Technical Specifications: Operating Voltage: 220V/380V; Frequency: AC 50Hz (60Hz); Mechanical Life: Approximately 1 million cycles; Electrical Life: Approximately 500,000 cycles; Maximum Power: 1500W; Distance between mounting holes: Approximately 7.8 cm. Installation: The wiring includes phase and neutral wires. For professional wiring, please refer to the wiring information in the image. Function: The ON button is self-locking, while the OFF button resets automatically. To turn on the switch, press the green button; to turn it off, press the red button.